🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.5 AU - 3.58 AU

Year: 1872 Days

Day: 46.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,199,570 km

• M1: 2,463,877 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.57 AU - 5.59 AU

Year: 3461 Days

Day: 43.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.5

Radius: 14.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.28 AU - 7.7 AU

Year: 7238 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,199,570 km

• M1: 193,131 km (0.109 R)
• M2: 801,845 km (0.118 R)
• M3: 1,323,492 km (0.08 R)
• M4: 1,962,724 km (0.107 R)
• M5: 3,543,076 km (0.093 R)
• M6: 4,459,064 km (0.105 R)
• M7: 6,461,730 km (0.093 R)
• M8: 7,176,210 km (0.106 R)
• M9: 8,804,283 km (0.087 R)
• M10: 9,554,666 km (0.067 R)
• M11: 10,078,409 km (0.107 R)
• M12: 11,569,600 km (0.05 R)
• M13: 13,150,251 km (0.101 R)
• M14: 15,875,775 km (0.113 R)
• M15: 17,371,305 km (0.097 R)
• M16: 18,620,447 km (0.053 R)
• M17: 20,354,286 km (0.116 R)
• M18: 22,117,896 km (0.062 R)
• M19: 24,706,537 km (0.048 R)
• M20: 28,019,232 km (0.055 R)
• M21: 28,823,919 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91

Radius: 6.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 16.88 AU - 21.26 AU

Year: 29405 Days

Day: 20.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,199,570 km

• M1: 262,843 km (0.099 R)
• M2: 588,368 km (0.103 R)
• M3: 802,443 km (0.117 R)
• M4: 1,851,872 km (0.097 R)
• M5: 4,680,618 km (0.098 R)
• M6: 5,353,210 km (0.055 R)
• M7: 6,888,982 km (0.063 R)
• M8: 7,757,697 km (0.106 R)
• M9: 11,740,740 km (0.091 R)
• M10: 12,143,458 km (0.062 R)
• M11: 12,915,532 km (0.111 R)
• M12: 13,282,645 km (0.12 R)
• M13: 13,783,050 km (0.114 R)
• M14: 14,622,893 km (0.106 R)
• M15: 18,402,034 km (0.085 R)
• M16: 24,233,808 km (0.085 R)
• M17: 24,980,750 km (0.107 R)
• M18: 26,520,411 km (0.04 R)
• M19: 32,519,286 km (0.097 R)
• M20: 33,657,277 km (0.086 R)
• M21: 35,413,706 km (0.082 R)
• M22: 35,652,464 km (0.059 R)
• M23: 36,740,040 km (0.082 R)
• M24: 38,349,713 km (0.059 R)
• M25: 42,780,952 km (0.086 R)
• M26: 46,677,079 km (0.067 R)
• M27: 47,541,755 km (0.051 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 15,093 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit